cx-newsletter/traits/2-activity_fail.php

<?php

namespace cx_newsletter;

trait activity_fail {
    protected function is_failed() : bool {
        return $this->error !== null;
    }

    protected function get_error_site_params() : array {
        return [
            'content' => $this->error,
            'type' => 'toast-error'
        ];
    }

    protected function fail(
        string|\cx_appengine\string_builder $content
    ) : self {
        if (!is_string($content)) {
            $content = $content->get();
        }

        $this->error = __($content, 'cx_newsletter');

        return $this;
    }
    
    protected function get_error_template() : \cx_appengine\template {
        return (
            $this
            ->get_templates()
            ->prepare('only_toast_site')
        );
    }

    protected function construct_fail() : self {
        $this->error = null;

        return $this;
    }

    private ?string $error;
}